Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12237935 | Method for instant messaging service providing schedule service and apparatus thereof | Jeong Min Yun, Moon Young Jo, Yeon Jin Lee, Won Chul Jeong, Han Byeol Choi +8 more | 2025-02-25 |
| 12212424 | Method for instant messaging service providing schedule service and apparatus thereof | Jeong Min Yun, Moon Young Jo, Yeon Jin Lee, Won Chul Jeong, Han Byeol Choi +8 more | 2025-01-28 |
| 11817962 | Method for instant messaging service providing schedule service and apparatus thereof | Jeong Min Yun, Moon Young Jo, Yeon Jin Lee, Won Chul Jeong, Han Byeol Choi +8 more | 2023-11-14 |
| 10795554 | Method of operating terminal for instant messaging service | Hwa Young Lee, Ki Yong Shim, Sun Ho Choi, Doo-Won Lee, Eun Jung Ko +4 more | 2020-10-06 |
| 6587565 | System for improving a spatial effect of stereo sound or encoded sound | — | 2003-07-01 |